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Updated: Feb 14, 2026

07:07
Determining Glucose Metabolism Kinetics Using 18F-FDG Micro-PET/CT
Published on: May 2, 2017
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新たに診断された分散型大B細胞リンパ腫におけるベースラインPET/CTにおける質的臓[18F]FDG摂取量の予測値
Yunhwi Hwang1, Sung Hwa Bae1, Sang Jun Byun2
1Division of Hematology-Oncology, Department of Internal Medicine, Daegu Catholic University Medical Center, Daegu Catholic University School of Medicine, Daegu 42472, Republic of Korea.
Cancers
|February 13, 2026
まとめ
positive splenic Fluorine-18 fluorodeoxyglucose positron emission tomography/computed tomography ([18F]FDG PET/CT) の吸収は,拡散型大B細胞リンパ腫 (DLBCL) の患者で再発のリスクが高いことを示している. この発見は,DLBCL管理における再発のない生存のための新しい予後マーカーを提供します.
科学分野:
- 腫瘍学 腫瘍学
- 核医学は,核医学である.
- 放射線学 放射線学
背景:
- 正確なリスク分層化は,分散型大B細胞リンパ腫 (DLBCL) の管理に不可欠です.
- フッ素-18フッ素酸化グルコース正陽子放出トモグラフィー/コンピュータトモグラフィー ([18F]FDG PET/CT) は,DLBCLのステージ決定の標準です.
- 非腫瘍 [18F]FDG吸収パターンの予測値については,さらなる調査が必要である.
研究 の 目的:
- 新たに診断されたDLBCL患者のベースラインPET/CTにおける質的臓[18F]FDG吸収の予後的意義を調査する.
- の吸収と再発フリー生存率 (RFS) と全生存率 (OS) の関連性を評価する.
主な方法:
- 韓国のコホートから新たに診断された142人のDLBCL患者の遡及的分析.
- ベースラインPET/CT.に対する質的臓[18F]FDG吸収の視覚的評価.
- カプラン・マイヤーおよびコックス回帰モデルを使用して分析された生存アウトカム.
主要な成果:
- 72人の患者でプラスの臓[18F]FDG吸収が観察され,再発症例では著しく増加した (p < 0.001).
- 下位RFS (p < 0.001) とOS (p = 0.010) と関連したプラスの体吸収.
- の吸収は,多変量分析で独立してより悪いRFS (HR 2.175,p = 0.043) を予測した.
結論:
- ベースラインPET/CTにおける質的な臓[18F]FDG吸収は,DLBCLにおける有害な臨床結果と関連しています.
- 臓[18F]FDGの吸収は,DLBCL患者におけるRFSの独立した予後要因として機能する.
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